1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM nbd
4
5#if !defined(_TRACE_NBD_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_NBD_H
7
8#include <linux/tracepoint.h>
9
10DECLARE_EVENT_CLASS(nbd_transport_event,
11
12 TP_PROTO(struct request *req, u64 handle),
13
14 TP_ARGS(req, handle),
15
16 TP_STRUCT__entry(
17 __field(struct request *, req)
18 __field(u64, handle)
19 ),
20
21 TP_fast_assign(
22 __entry->req = req;
23 __entry->handle = handle;
24 ),
25
26 TP_printk(
27 "nbd transport event: request %p, handle 0x%016llx",
28 __entry->req,
29 __entry->handle
30 )
31);
32
33DEFINE_EVENT(nbd_transport_event, nbd_header_sent,
34
35 TP_PROTO(struct request *req, u64 handle),
36
37 TP_ARGS(req, handle)
38);
39
40DEFINE_EVENT(nbd_transport_event, nbd_payload_sent,
41
42 TP_PROTO(struct request *req, u64 handle),
43
44 TP_ARGS(req, handle)
45);
46
47DEFINE_EVENT(nbd_transport_event, nbd_header_received,
48
49 TP_PROTO(struct request *req, u64 handle),
50
51 TP_ARGS(req, handle)
52);
53
54DEFINE_EVENT(nbd_transport_event, nbd_payload_received,
55
56 TP_PROTO(struct request *req, u64 handle),
57
58 TP_ARGS(req, handle)
59);
60
61DECLARE_EVENT_CLASS(nbd_send_request,
62
63 TP_PROTO(struct nbd_request *nbd_request, int index,
64 struct request *rq),
65
66 TP_ARGS(nbd_request, index, rq),
67
68 TP_STRUCT__entry(
69 __field(struct nbd_request *, nbd_request)
70 __field(u64, dev_index)
71 __field(struct request *, request)
72 ),
73
74 TP_fast_assign(
75 __entry->nbd_request = 0;
76 __entry->dev_index = index;
77 __entry->request = rq;
78 ),
79
80 TP_printk("nbd%lld: request %p", __entry->dev_index, __entry->request)
81);
82
83#ifdef DEFINE_EVENT_WRITABLE
84#undef NBD_DEFINE_EVENT
85#define NBD_DEFINE_EVENT(template, call, proto, args, size) \
86 DEFINE_EVENT_WRITABLE(template, call, PARAMS(proto), \
87 PARAMS(args), size)
88#else
89#undef NBD_DEFINE_EVENT
90#define NBD_DEFINE_EVENT(template, call, proto, args, size) \
91 DEFINE_EVENT(template, call, PARAMS(proto), PARAMS(args))
92#endif
93
94NBD_DEFINE_EVENT(nbd_send_request, nbd_send_request,
95
96 TP_PROTO(struct nbd_request *nbd_request, int index,
97 struct request *rq),
98
99 TP_ARGS(nbd_request, index, rq),
100
101 sizeof(struct nbd_request)
102);
103
104#endif
105
106/* This part must be outside protection */
107#include <trace/define_trace.h>
108

source code of linux/include/trace/events/nbd.h